Student Loan Calculator

Your details

Repay: you already owe a balance. Project: estimate the balance you will owe after borrowing through school.
The current principal you owe, including any capitalized interest.
The yearly (nominal) interest rate stated on your loan. Federal Direct Subsidized and Unsubsidized loans to undergraduates first disbursed from July 1, 2026 through June 30, 2027 carry a fixed 6.52%.
%
How long you will take to repay. The standard federal term is 10 years.
years
Optional. Anything above the required payment goes straight to principal.
Currency
Monthly paymentModerate interest cost
$340.95
Principal (amount owed at payoff start)$30,000.00
Total interest$10,913.92
Total paid$40,913.92

You'd pay 340.95 a month and 10,913.92 in total interest.

  • Interest adds about 36% on top of what you owe at payoff over the full term.
  • Paying extra each month goes straight to principal, shrinking both the term and the interest you pay.
  • A longer term lowers the monthly payment but raises total interest, since you owe a balance for more months.

Next stepAdd an extra monthly payment to see how much total interest you could save.

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